ISRC DEF057931010
Verified recording
DEF057931010 is “Werther / Act 1: "Sophie!" / "Albert!"” by Jules Massenet,
registered on the CopyrightChains blockchain with CopyrightID
0x9d25b50ae9d435716b22fcd10083625b052a40f60e038150ba04440071074c90 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931010.
Recording identifiers
- ISRC
- DEF057931010
- Title
- Werther / Act 1: "Sophie!" / "Albert!"
- Artist
- Jules Massenet
- CopyrightID (CopyrightChains transaction hash)
0x9d25b50ae9d435716b22fcd10083625b052a40f60e038150ba04440071074c90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:22d3445b7c32a402b9a1d0998addb8d5db04b18081c2305612f3788e4133716b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057931010
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Werther / Act 1: "Sophie!" / "Albert!" · Machine-readable JSON-LD